.none {
  display: none;
}
.head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1rem;
  height: 5rem;
  background-color: #131313;
  position: sticky;
  top: 0;
  z-index: 2023;
}
.head .logo {
  width: 9.3rem;
  height: 3rem;
}
.head .tip {
  display: flex;
  font-size: 1.2rem;
  color: #ffffff;
  position: relative;
}
.head .tip a {
  color: #fff;
}
.head .tip a:hover {
  color: #d32f2f;
}
.head .tip .lang {
  margin-right: 1rem;
}
.head .tip .member {
  color: #ffffff;
}
.head .tip .member:hover {
  font-weight: bold;
}
.head .nav_modal {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 5rem;
  left: 0;
  z-index: 100;
  transition: all 0.5s;
}
.head .nav_modal .content {
  width: 70%;
  padding: 0 2rem;
  height: 100%;
  background: rgba(0, 0, 0, 0.99);
  position: absolute;
  top: 0;
  left: 0;
}
.head .nav_modal .content .navbar {
  display: block;
  padding: 1.5rem 0;
  font-size: 1.6rem;
  border-bottom: 0.1rem solid hsla(0, 0%, 100%, 0.15);
  color: #fff;
}
.bottom_tips {
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: auto;
  background-color: #211d1d;
  color: rgba(255, 255, 255, 0.4);
  padding: 2rem 0 5rem;
}
.bottom_tips .img {
  width: 16.1rem;
  height: 5.2rem;
  text-align: center;
  margin: 0 auto 0.5rem;
}
.bottom_tips a {
  color: rgba(255, 255, 255, 0.4);
  font-size: 1.2rem;
}
.bottom_tips .copy {
  font-size: 1rem;
}
.bottom_tips .copy img {
  width: 1.8rem;
}
.bottom_tips .common img {
  height: 3rem;
  margin: 0 0.7rem;
  cursor: pointer;
}
.bottom_tips div {
  line-height: 1.5;
}
.wap_index {
  padding-bottom: 5rem;
}
.footer {
  position: fixed;
  bottom: -1px;
  left: 0;
  z-index: 100;
  width: 100%;
  height: calc(5rem + 1px);
  background: url(../image/12.png) no-repeat;
  background-size: 100% 100%;
  display: flex;
  align-items: center;
}
.footer li {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}
.footer li .footer_icon {
  width: 2.3rem;
  height: 10vw;
  background-size: 100% 100%;
  background-repeat: no-repeat;
}
.footer li:nth-child(1) .footer_icon {
  background-image: url(../image/a1.png);
}
.footer li:nth-child(1).choose .footer_icon {
  background-image: url(../image/a11.png);
}
.footer li:nth-child(2) .footer_icon {
  background-image: url(../image/a2.png);
}
.footer li:nth-child(2).choose .footer_icon {
  background-image: url(../image/a22.png);
}
.footer li:nth-child(3) .footer_icon {
  background-image: url(../image/a3.png);
}
.footer li:nth-child(3).choose .footer_icon {
  background-image: url(../image/a33.png);
}
.footer li:nth-child(4) .footer_icon {
  background-image: url(../image/a4.png);
}
.footer li:nth-child(4).choose .footer_icon {
  background-image: url(../image/a44.png);
}